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| author | Chris Liddell <chris.liddell@artifex.com> | 2018-02-01 09:46:21 +0000 |
|---|---|---|
| committer | Chris Liddell <chris.liddell@artifex.com> | 2018-02-01 13:02:18 +0000 |
| commit | 5b546c80e79e6d1f1c6c3a9a71bfb58ee23a328c (patch) | |
| tree | 8d4688f6dcc1fe406b09a4a2a40ad1a4b27250ad /base/pipe_.h | |
| parent | 88aea05567f36d4d37c00a51b818c80f88291f6b (diff) | |
| download | ghostpdl-5b546c80e79e6d1f1c6c3a9a71bfb58ee23a328c.tar.gz | |
Address the popen prototype warning
Only include the hacky popen() prototype if it doesn't already exist in the
standard header files.
Diffstat (limited to 'base/pipe_.h')
| -rw-r--r-- | base/pipe_.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/base/pipe_.h b/base/pipe_.h index ecead635e..34ea30a9d 100644 --- a/base/pipe_.h +++ b/base/pipe_.h @@ -33,13 +33,16 @@ extern FILE *mswin_popen(const char *cmd, const char *mode); # define pclose(file) _pclose(file) #else /* !__WIN32__ */ /* - * popen isn't POSIX-standard, so we declare it here. - * Because of inconsistent (and sometimes incorrect) header files, - * we must omit the argument list. Unfortunately, this sometimes causes - * more trouble than it cures. + * popen wasn't POSIX-standard from the beginning, and that resulted in + * inconsistent and incorrect prototypes and other issues. Hence we include + * a declaration here. + * But as it is now included in POSIX, we make this optional. */ +#if !defined(HAVE_POPEN_PROTO) || HAVE_POPEN_PROTO!=1 extern FILE *popen( /* const char *, const char * */ ); extern int pclose(FILE *); +#endif /* HAVE_POPEN_PROTO */ + #endif /* !__WIN32__ */ #endif /* pipe__INCLUDED */ |